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Finding the Fourth Proportional to 48,808.89, 73,213.34 and 13,743.99

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Solution

The fourth proportional to 48,808.89, 73,213.34 and 13,743.99 is: 20,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.89 : 73,213.34 = 13,743.99 : x
  2. Step 2: Convert to fraction form
    48,808.89/73,213.34 = 13,743.99/x
  3. Step 3: Cross multiply
    48,808.89x = 73,213.34 × 13,743.99
  4. Step 4: Simplify right side
    48,808.89x = 1,006,243,344.11
  5. Step 5: Solve for x
    x = 1,006,243,344.11/48,808.89
  6. Step 6: Final answer
    x = 20,615.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.